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Rough surface polymer composite material, nano-carbon material, preparation method and application

A technology of composite materials and rough surfaces, applied in the field of nanomaterials, can solve problems such as complex processes, and achieve the effects of simple processes, rapid diffusion, and improved stability

Active Publication Date: 2022-02-22
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention: the preparation of rough surface polymer composite materials and nano-carbon materials in the prior art requires etching, deposition and other processes, and the process is complex

Method used

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  • Rough surface polymer composite material, nano-carbon material, preparation method and application
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  • Rough surface polymer composite material, nano-carbon material, preparation method and application

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preparation example Construction

[0070] The preparation method of described graphene oxide dispersion liquid is as follows:

[0071] (1) Take by weighing 7.5g potassium permanganate and 1.5g graphite powder, grind 2h under 300r / min rotating speed condition in ball mill;

[0072] (2) Slowly add the above grinding mixture into a three-necked flask containing 115mL of sulfuric acid and 40mL of phosphoric acid in an ice bath, and react at 34-36°C for 2h;

[0073] (3) Measure 230mL deionized water and pour it into the dropping funnel, slowly add deionized water dropwise to the above-mentioned three-neck flask, control the temperature below 50°C, and complete the dropwise addition within 2 hours;

[0074] (4) After adding water, react at 34-36°C for 2 hours;

[0075] (5) Stop stirring, pour the reaction solution into a 1L beaker, and then add 700mL of H 2 O, stir well with a glass rod, slowly add 12.5mL (30%) H 2 o 2 , react for 10-15min;

[0076] (6) Centrifugal filtration, the material in the lower layer was...

Embodiment 1

[0150] (1) Preparation of rough-surfaced polymer sheets

[0151] A. Weigh 20mg of surfactant F127, 12mg of hydrophobic stearic acid and 20g of water, add them to the reactor, raise the temperature to 80°C, stir for 4h, cool down to 40°C, and let stand for 24h to obtain a two-dimensional nanosheet colloid template solution;

[0152] B. According to the volume ratio of ethanol / water is 2:1 configuration 300g ethanol / water mixture, join in the reaction kettle, then weigh 101mg terephthalaldehyde, 126mg phloroglucinol and 10g above-mentioned colloidal template solution, add in sequence In the reaction kettle, stir for 30min;

[0153] C. Measure 0.1mL of 0.4mol / L phenylenediamine solution into the reaction kettle and stir for 15min;

[0154] D. Turn on the reflux device and react at 80°C for 4 hours;

[0155] E. Centrifuge the above reaction product under the condition of 8000r / min, wash and dry to obtain a polymer sheet with a rough surface.

[0156] (2) Preparation of carbon ...

Embodiment 2

[0161] (1) Preparation of rough-surfaced polymer sheets

[0162] A. Weigh 15mg of surfactant P123, 10mg of hydrophobic boron nitride and 30g of water, add them into the reactor, raise the temperature to 70°C, stir for 6h, cool down to 30°C, and let stand for 24h to obtain a two-dimensional nanosheet colloid template solution;

[0163] B. Take 300g of water and add it to the reaction kettle, then weigh 92mg of isophthalaldehyde, 151mg of phloroglucinol and 15g of the above-mentioned colloidal template solution, add them to the reaction kettle in turn, and stir for 60min;

[0164] C. Measure 0.3mol / L benzidine 0.5mL solution into the reaction kettle and let stand for 30min;

[0165] D. Turn on the reflux device and react at 100°C for 6 hours;

[0166] E. Centrifuge the above reaction product under the condition of 8000r / min, wash and dry to obtain a polymer sheet with a rough surface.

[0167] (2) Preparation of carbon nanosheets with rough surface

[0168] Put the rough-sur...

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Abstract

The invention relates to a polymer composite material with a rough surface, a nano-carbon material, a preparation method and an application. By mixing phenolic compounds, carbonyl compounds, amino compounds and colloidal template solutions, sequential polymerization is carried out by using the kinetic differences of polycondensation reaction, Schiff base reaction and Mannich reaction at the interface of micelles to generate nanomaterials on the surface or edge of nanomaterials. Islands or nanoparticles, thus building a rough structure on the surface of nanomaterials. The method does not require additional etching and deposition processes, and the process is simple and controllable. The adsorbent prepared by the present invention can realize rapid diffusion of gas, and the diffusion rate is 5-10 times that of commercial adsorbents; the catalyst carrier prepared by the present invention can anchor metal active particles and inhibit active components under high temperature conditions Migration and agglomeration effectively improve the stability of the catalyst.

Description

technical field [0001] The invention belongs to the field of nanometer materials, and in particular relates to a rough-surfaced polymer composite material, a nanocarbon material, a preparation method and an application. Background technique [0002] Adsorption separation technology is an important technology for separation and purification of mixed gases in industry. It has the characteristics of fast adsorption rate and high selectivity. It has the advantages of low energy consumption, low corrosion and high purity when used in the separation of mixed gases. Adsorbent is the core of adsorption separation technology, and the indicators for evaluating adsorbent mainly include adsorption capacity, selectivity and adsorption rate. Among them, the adsorption rate affects the energy consumption of the separation process. The faster the rate, the less energy consumption in the chemical production process. The development of adsorbents with fast adsorption rates is an important dem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G14/073C08G14/00C08G14/10C01B32/15B01J20/20B01J20/30B01J21/18
CPCC08G14/06C08G14/00C08G14/10C01B32/15B01J20/205B01J21/18
Inventor 陆安慧徐爽
Owner DALIAN UNIV OF TECH
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